Operating Instructions

3 Function diagrams 3.3 Input/output terminals
SINAMICS G120 CU230P-2 Control Units
512 List Manual (LH9), 04/2014, A5E33838102B AA
Fig. 3-12 2270 – Temperature evaluation LG-Ni1000/PT1000 (AI 3)
- 2270 -
Function diagram
87654321
fp_2270_97_01.vsd
Input/Output Terminals
G120 CU230P-2
07.04.2014 V4.7
Temperature evaluation LG-Ni1000/PT1000 (AI 3)
[%]
xy
<2> <2>
A
D
+
-
x
1
y
2
x
2
y
1
y
x
[%]
y
x
2
x
1
x
1
0
Hardware smoothing
100 µs
Scaling
Caution:
The voltage between an input (Kl. 52) and the ground point (Kl. 53) must not exceed 35 V.
For p0756 = 6, 7 the units are °C.
Possible settings p0756[3]:
= 6: LG-Ni1000
= 7: PT1000
= 8: No sensor
CU AI type
0 ... 8
p0756 (4)
CU AI T_smooth
0.0 ... 1000.0 [ms]
p0753 (0.0)
CU AI sim setp
-50.000 ... 2000.000
p0798 (0.000)
CU AI char y1
-1000.00 ... 1000.00 [%]
p0758 (0.00)
CU AI char y2
-1000.00 ... 1000.00 [%]
p0760 (100.00)
CU AI char x1
-50.000 ... 160.000
p0757 (0.000)
CU AI char x2
-50.000 ... 160.000
p0759 (10.000)
CU AI sim_mode
0 ... 1
p0797 (0)
Kl. = Terminal Sampling time of the AI: 4 ms
r0755
CU AI value in % [%]
LG-Ni1000
PT1000
Type switching
Analog input
[3] (8)
[3] (0)
[3] (0.00)
[3] (0.00)
[3] (0.00) [3] (0.00)
[3] (0.00)
r0752
CU AI U/I_inp act
[3] (0.00)
Reference quantities
p2000 … r2004
°C
GND
GND
<1>
AI 3+/LG-NI1000
Kl. 52
Kl. 53
<2>
[3]
<2>
<3>
[3]
<1>
<2>
<3>
x
1
• x
2
100 %